Photo 1 of 3.1 lbs Pool Filter Balls for Sand Filters, Reusable Pool Sand Filter Ball (Replaces 100 lbs of Sand), Efficient & Lightweight Pools Sand Filters Balls for Swimming Pools, Filter Pumps (Blue, 3.1lbs)

Double tap image to zoom

Photo 1 of 3.1 lbs Pool Filter Balls for Sand Filters, Reusable Pool Sand Filter Ball (Replaces 100 lbs of Sand), Efficient & Lightweight Pools Sand Filters Balls for Swimming Pools, Filter Pumps (Blue, 3.1lbs)Photo 2 of 3.1 lbs Pool Filter Balls for Sand Filters, Reusable Pool Sand Filter Ball (Replaces 100 lbs of Sand), Efficient & Lightweight Pools Sand Filters Balls for Swimming Pools, Filter Pumps (Blue, 3.1lbs)